[petsc-users] MatGetDiagonalBlock and shell matrices

[Barry Smith]

  Yes the branch is now already in master and will be in future releases.

  Barry

> On Aug 29, 2016, at 4:40 PM, Steven Dargaville <dargaville.steven at gmail.com> wrote:
> 
> HI all
> 
> Thanks for this Barry, the branch you've made seems to be working perfectly. Do you think this change will make it into a future PETSc release? I can imagine this would be very useful for a number of people.
> 
> Thanks
> Steven
> 
> 
> On Sat, Aug 27, 2016 at 11:02 PM, Jed Brown <jed at jedbrown.org> wrote:
> Barry Smith <bsmith at mcs.anl.gov> writes:
> 
> >    I have added support for this operation in the branch barry/add-matshell-matgetdiagonalblock-fortran
> >
> >    Barry
> >
> > Because this required changing the handling of the method MatGetDiagonalBlock() the addition cannot be back ported to PETSc 3.7.x
> 
> Huh, it seems okay to me.  The change is only matimpl.h (which is
> private anyway) and doesn't change method numbering so it shouldn't
> affect the ABI.
>